Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

Fig. 4.1 illustrates an electric circuit. Energy is transferred from the battery to the filament lamp by an electric current.

(a)[2]

State the two forms of energy given out by the filament lamp.

(b)[1]

State which form of energy in the battery is being depleted.

(c)[1]

Explain how the principle of conservation of energy is relevant in this circuit.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “thermal energy” …